JPS58166615A - Power switching device - Google Patents
Power switching deviceInfo
- Publication number
- JPS58166615A JPS58166615A JP5049782A JP5049782A JPS58166615A JP S58166615 A JPS58166615 A JP S58166615A JP 5049782 A JP5049782 A JP 5049782A JP 5049782 A JP5049782 A JP 5049782A JP S58166615 A JPS58166615 A JP S58166615A
- Authority
- JP
- Japan
- Prior art keywords
- movable contact
- contact
- arc
- grid
- fixed contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H9/36—Metal parts
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】 本発明は電磁開閉装置に関するものである。[Detailed description of the invention] The present invention relates to an electromagnetic switching device.
以下この橋装置を図面と共に説明する。This bridge device will be explained below with reference to the drawings.
第１図、第２図、第３図において、 ＋ｌ＋は耐熱性の
材料よりなるアーク消弧用のアークボックスを示し、ａ
性金属よりなるグリッド（２）及び転流板（３）が開閉
する電路の相数に対応して配役固定されている。（４）
はクロスバ−１（５）は可動接触子、（６）は可動接触
子（５）の両端に取付けられた可動接点、（７）は可動
接触子押え、（８）は押えはね支え、（９）Ｆ！接触子
ばね、 Ｑｌはストッパーである。In Figures 1, 2, and 3, +l+ indicates an arc extinguishing arc box made of heat-resistant material, and a
A grid (2) and a commutator plate (3) made of flexible metal are arranged and fixed in accordance with the number of phases of the electrical circuit to be opened and closed. (4)
Crossbar 1 (5) is a movable contact, (6) is a movable contact attached to both ends of the movable contact (5), (7) is a movable contact presser, (8) is a presser spring support, ( 9) F! The contact spring, Ql, is a stopper.
上記接触子ばね（９）はストッパーＱｌの下部と押えば
ね支え（８）の下端部との間に圧縮固定されており、押
えばね支え（８）の上端部と可動接触子押え（７）の上
面および可動接触子（５）の上面と可動接触子押え（７
）の下面とは当接して組立てられている。The contact spring (9) is compressed and fixed between the lower part of the stopper Ql and the lower end of the presser spring support (8), and is compressed between the upper end of the presser spring support (8) and the movable contact holder (7). The upper surface and the upper surface of the movable contact (5) and the movable contact holder (7)
) is assembled in contact with the lower surface of the
ａυは電気絶縁物よりなるベース、（Ｉ３はペースｌの
上部にねじで固定された端子、 （ＩＩは端子ＱＸ５の
上面にねじ締めされたコの字形状の固だ接触子で、その
上面には固ず接点ａ４が取付けられている。（ハ）は固
に接触子（２）に固定されたアークランナーである。aυ is a base made of an electrical insulator, (I3 is a terminal fixed with a screw to the top of the pace l, (II is a U-shaped solid contact screwed to the top surface of the terminal QX5, and a (c) is the arc runner firmly fixed to the contact (2).
かかる可動接触子（５）は可動接触子ばね（９）を介し
て内蔵され九周知の電磁駆動装置に接続される。The movable contact (5) is housed in the movable contact spring (9) and connected to a well-known electromagnetic drive device.
このような接点機構２はＡ−Ａ断面を中心に左右対称に
設けられると共に紙面に直交する方向に開閉する電路の
相数に対応して配設されている。Such a contact mechanism 2 is provided symmetrically with respect to the A-A cross section, and is arranged in correspondence with the number of phases of the electric circuit that opens and closes in a direction perpendicular to the plane of the paper.
第２図は第１図の要部である転流板（３）、可動接触子
（５）、可動接点（６）を模写的に示す斜視図であり、
また第１図における固定接触子ａ１．固足接点Ｉ及びア
ークランナａ９の部分を模写的に拡大すると第３図１ａ
ｌ （ｂ）のよう和なっている。FIG. 2 is a perspective view schematically showing the main parts of FIG. 1, such as a commutation plate (3), a movable contact (5), and a movable contact (6).
Also, the fixed contact a1 in FIG. A schematic enlargement of the fixed foot contact I and arc runner a9 is shown in Fig. 3 1a.
It is summed as shown in (b).
かかる電磁開閉装置において、固定接点（１４と可動接
点（６）とが開離された場合９両接点間に生じたアーク
の一端は可動接点（６）から可動接触子（５）、アーク
ホーン（６）を通して転流板（３）へ転移する一方その
他端は、固定接点ａ４からアークランナＱ５へ転移する
。転移したアークの他端はアークランナ（ハ）上を端部
方向へ移動し、最終的にはアークランナ（ハ）の垂直部
分と、これに対向する転流板（３）との間でグリッド（
２）Ｋよシアークは消弧される。In such an electromagnetic switchgear, when the fixed contact (14) and the movable contact (6) are opened, one end of the arc generated between the nine contacts flows from the movable contact (6) to the movable contact (5) and the arc horn ( 6) to the commutation plate (3), while the other end is transferred from the fixed contact a4 to the arc runner Q5.The other end of the transferred arc moves on the arc runner (c) toward the end, and finally is a grid (
2) K, the shear arc is extinguished.
従来の電力開閉装置は以上のように動作するのであるが
、第１図に示すように可動接触子（５）と転流板（３）
の間に空間−が存在する次め、消弧室が大きくなるとい
う欠点を有していた。The conventional power switchgear operates as described above, but as shown in Figure 1, the movable contact (5) and commutator plate (3)
Since there is a space between them, there is a disadvantage that the arc extinguishing chamber becomes large.
本発明は上記空間ａａを除去することＫより電力開閉装
置の消弧室を小形化することを目的とするものである。An object of the present invention is to reduce the size of the arc extinguishing chamber of a power switchgear by eliminating the space aa.
本発明の一実施例の転流板の形状を第４図に示す。本発
明の転流板（３）は第４図に示すようにグリッド（２１
に対向するｍ（ａｍ）に切シ欠き部（第２の中空部）
（３１））が設けられ、この切り欠き部（ｓｂ）Ｋ可動
接触子（５）と可動接点（６）が入り込めるように構成
されている。第４図において可動接点（６）Ｋ生じたア
ークの足は可動接触子（５）や固足接触子Ｉｆ：流れる
電流が作る磁界により駆動され、転流板（３）の脚部（
３ｃ）ｉｃ転移してグリッド対向＠（ｍ）Ｋ駆動される
かあるいは可動接点（８）から可動接触子（５）ｔ−経
由してグリッド対向面（３ａ）［！１ｅ１１（３０）を
経由せずに駆動される。しかる後。FIG. 4 shows the shape of a commutation plate according to an embodiment of the present invention. The commutation plate (3) of the present invention has a grid (21
A notch part (second hollow part) at m (am) opposite to
(31)) is provided, and this notch (sb) is configured such that the movable contact (5) and the movable contact (6) can fit therein. In Fig. 4, the legs of the arc generated at the movable contact (6) K are driven by the magnetic field created by the flowing current of the movable contact (5) and the fixed contact If.
3c) IC is transferred and driven to face the grid @ (m) K, or from the movable contact (8) via the movable contact (5) t- to the grid facing surface (3a) [! It is driven without going through 1e11 (30). After that.
アークはグリッド（２）Ｋよシ消弧される。アークはこ
のようにして消弧されるのである。そして。The arc is extinguished by grid (2)K. The arc is extinguished in this way. and.
本発明の一実施例による電力開閉−９置においては転流
板（３）のグリッド対向面（３ａ）の一部に切り欠′ｐ
！部（３ｂ）が設けられておシ、この切り欠き部（３ｂ
）の存在によシ可動接触子（５）と可動接点（６）とを
グリッド（２）に近接して配置す、・ることかできるの
で、従来の電力開閉装置のように第１図における空間（
ｌｅを除去もしくは縮小することができるので消弧室を
小形化する仁とができる。In the power switch-9 position according to an embodiment of the present invention, there is a notch 'p in a part of the grid-facing surface (3a) of the commutation plate (3).
! (3b) is provided, and this notch (3b)
), it is possible to arrange the movable contact (5) and the movable contact (6) close to the grid (2). space(
Since it is possible to eliminate or reduce the size of the arc, it is possible to downsize the arc extinguishing chamber.
以上で述べた本発明によれば、転流電極のデアイオング
リッド対向面に可動接触子が入シ込める第２中空部を設
けたことＫより、電力開閉装置の小形化を図るものであ
る。According to the present invention described above, the power switchgear can be downsized by providing the second hollow portion into which the movable contact can be inserted on the surface of the commutation electrode facing the deion grid.
第１図は従来の電力開閉装置を示す一部断面図、第２図
は第１図に示す転流板を模写的に示す斜視図、第３図（
ａ）Ｆｉ＠１図に示すアークランナを模写的に示す平面
図、第３囚（１））は第３図（＆）のＡ−Ａ断面を示す
断面図、第４図は本発明の一実施例による電力開閉装置
の転流板を模写的に示す構成図である。
図において、（２）はブリッド、（３）は転流板。
（ｋ）ｔｉミグリッド向面、 （ａｂ）は切り欠き部
（第２の中空部）ｔ（３Ｃ）は脚部、（５）は可動接触
子。
（６）は可動接点、ａｓは可動接触子、 Ｑ４）は可動
接点である。
なお９図中同一符号は同−又は相当部分を示す。
代理人 葛 野 信 −Fig. 1 is a partial sectional view showing a conventional power switchgear, Fig. 2 is a perspective view schematically showing the commutation plate shown in Fig. 1, and Fig. 3 (
a) Fi @ A plan view schematically showing the arc runner shown in Figure 1, Figure 3 (1)) is a sectional view showing the A-A cross section of Figure 3 (&), Figure 4 is an embodiment of the present invention It is a block diagram which schematically shows the commutation board of the electric power switchgear by example. In the figure, (2) is a hybrid, and (3) is a commutator plate. (k) ti migrid facing surface, (ab) is a notch (second hollow part), t (3C) is a leg, and (5) is a movable contact. (6) is a movable contact, as is a movable contact, and Q4) is a movable contact. Note that the same reference numerals in Figure 9 indicate the same or equivalent parts. Agent Shin Kuzuno −
Claims (1)
され上記固定接点に対向して設けられた可動接点と、上
記固定接点の表面に対し直角方向に設けられたデアイオ
ングリッドと、このデアイオングリッドに対向する面と
上記固定接点の表面に対向する面とを少なくとも有し上
記固定接点の表面に対向する面に可動接触子の少なくと
も一部分が入り込める第１の中空部を有する転流電極と
を備えた電力開閉装置において、上記転流電極のデアイ
オングリッド対向面に上記可動接触子が入り込める第２
の中空部を設けたことを特徴とする電力開閉装置。A fixed contact joined to a fixed contact, a movable contact joined to a movable contact and provided opposite to the fixed contact, a de-ion grid provided in a direction perpendicular to the surface of the fixed contact; A commutation electrode having at least a surface facing the deion grid and a surface facing the surface of the fixed contact, and a first hollow portion into which at least a portion of the movable contact can fit into the surface facing the surface of the fixed contact. In the power switchgear, the movable contact can fit into the surface of the commutation electrode facing the deion grid.
A power switchgear characterized by having a hollow part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5049782A JPS58166615A (en) | 1982-03-29 | 1982-03-29 | Power switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5049782A JPS58166615A (en) | 1982-03-29 | 1982-03-29 | Power switching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58166615A true JPS58166615A (en) | 1983-10-01 |
| JPH0157450B2 JPH0157450B2 (en) | 1989-12-06 |
Family
ID=12860570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5049782A Granted JPS58166615A (en) | 1982-03-29 | 1982-03-29 | Power switching device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58166615A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1985002711A1 (en) * | 1983-12-07 | 1985-06-20 | Mitsubishi Denki Kabushiki Kaisha | Power switch |
-
1982
- 1982-03-29 JP JP5049782A patent/JPS58166615A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1985002711A1 (en) * | 1983-12-07 | 1985-06-20 | Mitsubishi Denki Kabushiki Kaisha | Power switch |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0157450B2 (en) | 1989-12-06 |
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